【Summary】
The 22.2 multichannel sound used with 4K and 8K broadcasts is a 3D multichannel sound format
that conforms to recommendation ITU-R BS.2051,
from the International Telecommunication Union – Radiocommunication Sector (ITU-R),
and the ARIB STD-B59 standard, from the Association of Radio Industries and Businesses (ARIB).